The robbery happened about 10:30 a.m. at the Fidelity Homestead Savings Bank at 321 St. Charles Ave.

The FBI said the woman entered the bank, brandished a knife and threatened to have a gun. She fled with an undetermined amount of cash.

The robber was described by the FBI as an African-American woman in her late 30s to mid-40s, standing 5 feet 8 inches tall. She was last seen wearing a gray T-shirt, a black fitted cap and wore dark-rimmed sunglasses with pink arms. The FBI said she had acne scars and discoloration along her chin and jaw line.

The robber fled on St. Charles Avenue toward Canal Street.

Anyone with information is asked to call Crimestoppers at 504-822-1111 or the FBI at 504-816-3000.